

function Bounce() {}

Bounce.easeIn = function ( t , b, c , d )
{
	return c - easeOut(d-t, 0, c, d) + b;
};

Bounce.easeOut = function (t, b, c, d)
{
	if ((t/=d) < (1/2.75)) 
	{
		return c*(7.5625*t*t) + b;
	} 
	else if (t < (2/2.75)) 
	{
		return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
	} 
	else if (t < (2.5/2.75)) 
	{
		return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
	} 
	else 
	{
		return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
	}
};

Bounce.easeInOut = function( t, b, c, d ) 
{
	if (t < d*0.5) 
	{
		return Bounce.easeIn (t*2, 0, c, d) * .5 + b;
	}
	else 
	{
		return Bounce.easeOut (t*2-d, 0, c, d) * .5 + c*.5 + b;
	}	
};
